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- // Copyright Louis Dionne 2013-2017
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
- #include <boost/hana/assert.hpp>
- #include <boost/hana/contains.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/map.hpp>
- #include <boost/hana/permutations.hpp>
- #include <laws/base.hpp>
- #include <support/minimal_product.hpp>
- #include <support/seq.hpp>
- namespace hana = boost::hana;
- template <int i>
- auto key() { return hana::test::ct_eq<i>{}; }
- template <int i>
- auto val() { return hana::test::ct_eq<-i>{}; }
- template <int i, int j>
- auto p() { return ::minimal_product(key<i>(), val<j>()); }
- int main() {
- constexpr auto list = ::seq;
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::values(hana::make_map()),
- list()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::values(hana::make_map(p<1, 1>())),
- list(val<1>())
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::contains(
- hana::permutations(list(val<1>(), val<2>())),
- hana::values(hana::make_map(p<1, 1>(), p<2, 2>()))
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::contains(
- hana::permutations(list(val<1>(), val<2>(), val<3>())),
- hana::values(hana::make_map(p<1, 1>(), p<2, 2>(), p<3, 3>()))
- ));
- }
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